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the fea fliores, and make long flights over the fea 

 in the northern parts, fhould be, indiff'erently, in- 

 habitants both of the new and old worlds, becaufe 

 we know that toward the North Pole the conti- 

 nents of Europe and America are very near to 

 one another-, and may, for aught we know, 

 join near the Pole. We muft fuppofe that 

 thefe birds have pafled from America to Eu- 

 rope, or from Europe to America -, or that 

 there were created, at firft, birds of the felf- 

 fame fpecies in both thefe parts of the world ^ 

 which, according to my way of reafoning, 

 cannot be fuppofed. Mofl of the world a- 

 gree, that each fpecies fprung from an ori- 

 ginal Angle pair. But it feems more eafy to 

 conceive how the northern water fowl fhould 

 inhabit all the northern parts of the world, 

 than to imagine how fmall land birds, and 

 fome greater fowls of fliort flight, fuch as 

 the White Partridge, fliould be able, from 

 one and the fame original, to propagate it- 

 felf in Europe and America. I cannot think 

 thefe fmall birds, &c. can fpread themfelves 



from 



